Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Acceleration Control (Diagnosis and Testing)
    Inspection and Verification 1. Verify the customer's concern by operating the acceleration control system to duplicate the condition. 2. Inspect to determine if any of the following mechanical concerns apply: Visual Inspection Chart Mechanical ...

    Positive Crankcase Ventilation (PCV) Hose
    Removal and Installation 1. Disconnect the hose on the PCV valve. 2. Twist and remove the PCV valve. 3. To install, reverse the removal procedure.   ...

    Installation
    CAUTION: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result. 1. NOTE: Two technicians are necessary to carry out this step. Install the instrument panel. 2. Install the upper instrument pa ...